[llvm-bugs] [Bug 26307] New: r258705 introduces a crash in computeKnownBits

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=26307

            Bug ID: 26307
           Summary: r258705 introduces a crash in computeKnownBits
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: krasin at google.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 15710
  --> https://llvm.org/bugs/attachment.cgi?id=15710&action=edit
Shell script to start clang with proper args

Chromium buildbots which compile against Clang ToT are broken by r258705, see
for example:
https://build.chromium.org/p/chromium.fyi/builders/ClangToTLinux/builds/3964/steps/compile/logs/stdio

Bisection points to r258705. The reproducers are attached (a preprocessed .cpp
file + a shell script). Note: you will need to change the path to Clang in the
script.

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